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Hi,<br />
<br />
If you were able to complete the Outlook Connectivity test with &quot;Manually specify server settings&quot; then you should be able to initiate mailbox migration from office 365 portal. However you need to create migration endpoint with Manual specifications.
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Hi,

If you were able to complete the Outlook Connectivity test with "Manually specify server settings" then you should be able to initiate mailbox migration from office 365 portal. However you need to create migration endpoint with Manual specifications.

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I'm trying to migrate mailboxes from Exchange 2007 to Office365. &nbsp;Going thru the online guide to do a &quot;cutover&quot; migration was going ok until the point where you have to test &quot;Autodiscover&quot;. &nbsp; If I run the MRCA, it fails when selecting &quot;Autodiscover&quot;. &nbsp;If I select to &quot;Manually Select server settings&quot; the test will pass with a warning about the certificate. &nbsp;<br />
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Outlook Web Access works ok with all users and no certificate errors in the browser. &nbsp; After doing some research online for this problem, I added a CNAME for autodiscover to our DNS record and also tried opening port 80 on our firewall temporarily also, but this didn't solve issue. &nbsp;I inherited this Exchange server and am not an expert on it by no means. &nbsp; Attached are results from the MRCA test.<br />
<a href="https://filedb.experts-exchange.com/incoming/2015/04_w18/911085/AnalyzerResults.jpg" target="_blank" class="file-inline" title="AnalyzerResults.jpg (343 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>AnalyzerResults.jpg</a>
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AnalyzerResults.jpg

I'm trying to migrate mailboxes from Exchange 2007 to Office365.  Going thru the online guide to do a "cutover" migration was going ok until the point where you have to test "Autodiscover".   If I run the MRCA, it fails when selecting "Autodiscover".  If I select to "Manually Select server settings" the test will pass with a warning about the certificate.  

Outlook Web Access works ok with all users and no certificate errors in the browser.   After doing some research online for this problem, I added a CNAME for autodiscover to our DNS record and also tried opening port 80 on our firewall temporarily also, but this didn't solve issue.  I inherited this Exchange server and am not an expert on it by no means.   Attached are results from the MRCA test.

Microsoft Remote Connectivity Analyzer (MRCA)  test fails to Autodiscover

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.